<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread 面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 取决于categoryName是否为空 -->
             <!-- 移除分类 -->
            <li class="with-x" v-if="searchParams.categoryName">{{searchParams.categoryName}}<i @click="removeCategoryName">×</i></li>
            <!-- 移除关键字 -->
            <li class="with-x" v-if="searchParams.keyword">{{searchParams.keyword}}<i @click="removeKeyword">×</i></li>
            <!-- 移除品牌 -->
            <li class="with-x" v-if="searchParams.trademark">{{searchParams.trademark.split(':')[1]}}<i @click="removeTrademark">×</i></li>
            <!-- 移除属性 -->
            <li class="with-x" v-for="(attr,index) in searchParams.props" :key="index">{{attr.split(':')[1]}}<i @click="removeAttr(index)">×</i></li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo"/>

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <!-- 价格结构 -->
              <ul class="sui-nav">
                <!-- 是否包含active类取决于当前排序 -->
                 <!-- changeOrder方法判断点击的是综合还是价格 -->
                <li :class="{active:isOne}" @click="changeOreder('1')">
                  <!-- 是否包含箭头取决于当前排序 -->
                  <a href="#">综合<span v-show="isOne" class="iconfont" :class="{'icon-arrow-down-line':isDesc, 'icon-arrow-up-line':isAsc}"></span></a>
                </li>
                <li :class="{active:isTwo}" @click="changeOreder('2')">
                  <a href="#">价格 <span v-show="isTwo" class="iconfont" :class="{'icon-arrow-down-line':isDesc, 'icon-arrow-up-line':isAsc}"></span></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 销售产品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(goods,index) in goodsList" :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${goods.id}`">
                      <img v-lazy="goods.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">{{goods.title}}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
         <!-- 分页器 -->
          <Pagination 
          :total="this.total" 
          :pageNo="searchParams.pageNo" 
          :pageSize="searchParams.pageSize" 
          :continue="5"
          @getPageNo="getPageNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import { mapGetters,mapState } from 'vuex'
  import SearchSelector from './SearchSelector/SearchSelector'
  export default {
    name: 'Search',
    data(){
      return{
        searchParams:{
          // 一级分类
        "category1Id":"",
        // 二级分类
        "category2Id": "",
          // 三级分类
        "category3Id": "",
          //分类名字
        "categoryName": "",
          // params参数
        "keyword": "",
          // 排序
        "order": "1:desc",
        //当前第几页
        "pageNo": 1,
        //每页显示多少条
        "pageSize": 3,
        //品牌售卖属性带的参数
        "props": [],
        // 品牌
        "trademark": ""
        }
      }
    },
    components: {
      SearchSelector
    },
    beforeMount(){
      //合并参数
      Object.assign(this.searchParams,this.$route.query,this.$route.params)
    },
    // 组件挂载完毕仅执行一次
    mounted(){
      //传递参数
    //  const params={...this.$route.query,...this.$route.params}
    //  this.$store.dispatch('getSearchList',{})
    //调用函数 在挂载之前合并参数【searchParams数据发生变化时，重新请求数据】
    this.getData()
    },
    computed:{
      // 因为getters没有区分home和search那个仓库
      ...mapGetters(['goodsList']),
      ...mapState({
         // 总数据条数
         total:state =>state.search.searchList.total
      }),
      // 是否包含active类取决于当前排序
      isOne(){
        return this.searchParams.order.indexOf('1') != -1
      },
      isTwo(){
        return this.searchParams.order.indexOf('2') != -1
      },
      isDesc(){
        return this.searchParams.order.indexOf('desc') != -1
      },
      isAsc(){
        return this.searchParams.order.indexOf('asc') != -1
      }
    },
    methods:{
       // 数据请求用函数封装
       getData(){
         this.$store.dispatch('getSearchList',this.searchParams)
      },
      //移除面包屑分类
      removeCategoryName(){
        // 为了提高性能，减少带宽消耗，在请求数据之前清空分类名字，减少携带参数
          this.searchParams.categoryName = undefined
          // 在请求数据之前清空分类id
          this.searchParams.category1Id = undefined
          this.searchParams.category2Id = undefined
          this.searchParams.category3Id = undefined
          // 重新请求数据
          this.getData()
          // 跳转路由，如果携带params参数，则携带params参数
          if(this.$route.params) this.$router.push({name:'search',params:this.$route.params})
      },
       //移除关键字
       removeKeyword(){
        // 为了提高性能，减少带宽消耗，在请求数据之前清空关键字，减少携带参数
          this.searchParams.keyword = undefined
          // 重新请求数据
          this.getData()
          // 删除header搜索框的关键字
          this.$bus.$emit('remove_search_keyword')
          // 跳转路由，如果携带query参数，则携带query参数
          if(this.$route.query) this.$router.push({name:'search',query:this.$route.query})
        },
      // 自定义事件tradekmarkInfo的回调
      trademarkInfo(trademark){
      //  console.log('父组件里面的',trademark);
      // 合并参数
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`
      // 重新请求数据
      this.getData()
       
      },
      // 移除品牌
      removeTrademark(){
        // 为了提高性能，减少带宽消耗，在请求数据之前清空品牌，减少携带参数
          this.searchParams.trademark = undefined
          // 重新请求数据
          this.getData()
      },
      // 自定义事件attrInfo的回调
      attrInfo(attr,attrValue){
        // console.log(attr,attrValue);
        // ["属性ID:属性值:属性名"]
        // 合并参数
        const attr_props=`${attr.attrId}:${attrValue}:${attr.attrName}`
        // 需要进行数组去重，防止重复添加属性  -1表示不存在
        if(this.searchParams.props.indexOf(attr_props) === -1)  this.searchParams.props.push(attr_props)
        // 重新请求数据
        this.getData()
      },
      // 移除属性
      removeAttr(index){
        // 删除点击的属性
        this.searchParams.props.splice(index,1)
        // 重新请求数据
        this.getData()
      },
      // 改变排序
      changeOreder(flag){
        // 原始数据
        let originFlag=this.searchParams.order.split(':')[0]
        let originSort=this.searchParams.order.split(':')[1]
        // 定义一个新的order
        let newOrder=''
        // 如果参数和当前flag一致，则切换排序方式
        if(originFlag === flag){
           newOrder=`${originFlag}:${originSort === 'desc' ? 'asc' : 'desc'}`
        }else{
           newOrder=`${flag}:desc`
        }
        // 合并参数
        this.searchParams.order = newOrder
        // 重新请求数据
        this.getData()
      },
      // 改变页码
      getPageNo(pageNo){
        // 合并参数
        this.searchParams.pageNo = pageNo
        // 重新请求数据
        this.getData()
      }
    },
    watch:{
      $route(){
        // 监听$route数据变化时，重新请求数据
        Object.assign(this.searchParams,this.$route.query,this.$route.params)
        this.getData()
        // 每次请求结束时需要情况分类id，以避免保留上次的分类id
        this.searchParams.category1Id = undefined
        this.searchParams.category2Id = undefined
        this.searchParams.category3Id = undefined
      }
    }
  }
</script>

<style lang="less" scoped>
  .main {
    margin: 10px 0;

    .py-container {
      width: 1200px;
      margin: 0 auto;

      .bread {
        margin-bottom: 5px;
        overflow: hidden;

        .sui-breadcrumb {
          padding: 3px 15px;
          margin: 0;
          font-weight: 400;
          border-radius: 3px;
          float: left;

          li {
            display: inline-block;
            line-height: 18px;

            a {
              color: #666;
              text-decoration: none;

              &:hover {
                color: #4cb9fc;
              }
            }
          }
        }

        .sui-tag {
          margin-top: -5px;
          list-style: none;
          font-size: 0;
          line-height: 0;
          padding: 5px 0 0;
          margin-bottom: 18px;
          float: left;

          .with-x {
            font-size: 12px;
            margin: 0 5px 5px 0;
            display: inline-block;
            overflow: hidden;
            color: #000;
            background: #f7f7f7;
            padding: 0 7px;
            height: 20px;
            line-height: 20px;
            border: 1px solid #dedede;
            white-space: nowrap;
            transition: color 400ms;
            cursor: pointer;

            i {
              margin-left: 10px;
              cursor: pointer;
              font: 400 14px tahoma;
              display: inline-block;
              height: 100%;
              vertical-align: middle;
            }

            &:hover {
              color: #28a3ef;
            }
          }
        }
      }

      .details {
        margin-bottom: 5px;

        .sui-navbar {
          overflow: visible;
          margin-bottom: 0;

          .filter {
            min-height: 40px;
            padding-right: 20px;
            background: #fbfbfb;
            border: 1px solid #e2e2e2;
            padding-left: 0;
            border-radius: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

            .sui-nav {
              position: relative;
              left: 0;
              display: block;
              float: left;
              margin: 0 10px 0 0;

              li {
                float: left;
                line-height: 18px;

                a {
                  display: block;
                  cursor: pointer;
                  padding: 11px 15px;
                  color: #777;
                  text-decoration: none;
                }

                &.active {
                  a {
                    background: #e1251b;
                    color: #fff;
                  }
                }
              }
            }
          }
        }

        .goods-list {
          margin: 20px 0;

          ul {
            display: flex;
            flex-wrap: wrap;

            li {
              height: 100%;
              width: 20%;
              margin-top: 10px;
              line-height: 28px;

              .list-wrap {
                .p-img {
                  padding-left: 15px;
                  width: 215px;
                  height: 255px;

                  a {
                    color: #666;

                    img {
                      max-width: 100%;
                      height: auto;
                      vertical-align: middle;
                    }
                  }
                }

                .price {
                  padding-left: 15px;
                  font-size: 18px;
                  color: #c81623;

                  strong {
                    font-weight: 700;

                    i {
                      margin-left: -5px;
                    }
                  }
                }

                .attr {
                  padding-left: 15px;
                  width: 85%;
                  overflow: hidden;
                  margin-bottom: 8px;
                  min-height: 38px;
                  cursor: pointer;
                  line-height: 1.8;
                  display: -webkit-box;
                  -webkit-box-orient: vertical;
                  -webkit-line-clamp: 2;

                  a {
                    color: #333;
                    text-decoration: none;
                  }
                }

                .commit {
                  padding-left: 15px;
                  height: 22px;
                  font-size: 13px;
                  color: #a7a7a7;

                  span {
                    font-weight: 700;
                    color: #646fb0;
                  }
                }

                .operate {
                  padding: 12px 15px;

                  .sui-btn {
                    display: inline-block;
                    padding: 2px 14px;
                    box-sizing: border-box;
                    margin-bottom: 0;
                    font-size: 12px;
                    line-height: 18px;
                    text-align: center;
                    vertical-align: middle;
                    cursor: pointer;
                    border-radius: 0;
                    background-color: transparent;
                    margin-right: 15px;
                  }

                  .btn-bordered {
                    min-width: 85px;
                    background-color: transparent;
                    border: 1px solid #8c8c8c;
                    color: #8c8c8c;

                    &:hover {
                      border: 1px solid #666;
                      color: #fff !important;
                      background-color: #666;
                      text-decoration: none;
                    }
                  }

                  .btn-danger {
                    border: 1px solid #e1251b;
                    color: #e1251b;

                    &:hover {
                      border: 1px solid #e1251b;
                      background-color: #e1251b;
                      color: white !important;
                      text-decoration: none;
                    }
                  }
                }
              }
            }
          }
        }      
      }
    }
  }
</style>